Home / 689,194.16-951,172.73-417,356.58

Finding the Fourth Proportional to 689,194.16, 951,172.73 and 417,356.58

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Solution

The fourth proportional to 689,194.16, 951,172.73 and 417,356.58 is: 576,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,194.16 : 951,172.73 = 417,356.58 : x
  2. Step 2: Convert to fraction form
    689,194.16/951,172.73 = 417,356.58/x
  3. Step 3: Cross multiply
    689,194.16x = 951,172.73 × 417,356.58
  4. Step 4: Simplify right side
    689,194.16x = 396,978,195,495.28
  5. Step 5: Solve for x
    x = 396,978,195,495.28/689,194.16
  6. Step 6: Final answer
    x = 576,003.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.